This can be used to identify stream in tools like pavucontrol when one
creates multiple -audiodevs or runs multiple qemu instances.

Signed-off-by: Kővágó, Zoltán <DirtY.iCE.hu@gmail.com>
---
 qapi/audio.json | 6 ++++++
 audio/paaudio.c | 4 ++--
 2 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/qapi/audio.json b/qapi/audio.json
index 9fefdf5186..a433b3c9d7 100644
--- a/qapi/audio.json
+++ b/qapi/audio.json
@@ -206,6 +206,11 @@
 #
 # @name: name of the sink/source to use
 #
+# @stream-name: name of the PulseAudio stream created by qemu.  Can be
+#               used to identify the stream in PulseAudio when you
+#               create multiple PulseAudio devices or run multiple qemu
+#               instances (default "qemu", since 4.2)
+#
 # @latency: latency you want PulseAudio to achieve in microseconds
 #           (default 15000)
 #
@@ -215,6 +220,7 @@
   'base': 'AudiodevPerDirectionOptions',
   'data': {
     '*name': 'str',
+    '*stream-name': 'str',
     '*latency': 'uint32' } }
 
 ##
diff --git a/audio/paaudio.c b/audio/paaudio.c
index 777b8e4718..827f442b6e 100644
--- a/audio/paaudio.c
+++ b/audio/paaudio.c
@@ -562,7 +562,7 @@ static int qpa_init_out(HWVoiceOut *hw, struct audsettings *as,
 
     pa->stream = qpa_simple_new (
         c,
-        "qemu",
+        ppdo->has_stream_name ? ppdo->stream_name : "qemu",
         PA_STREAM_PLAYBACK,
         ppdo->has_name ? ppdo->name : NULL,
         &ss,
@@ -630,7 +630,7 @@ static int qpa_init_in(HWVoiceIn *hw, struct audsettings *as, void *drv_opaque)
 
     pa->stream = qpa_simple_new (
         c,
-        "qemu",
+        ppdo->has_stream_name ? ppdo->stream_name : "qemu",
         PA_STREAM_RECORD,
         ppdo->has_name ? ppdo->name : NULL,
         &ss,
-- 
2.22.0

On Mon, 2019-08-26 at 02:29 +0200, Kővágó, Zoltán wrote:
> This can be used to identify stream in tools like pavucontrol when one
> creates multiple -audiodevs or runs multiple qemu instances.
> 
> Signed-off-by: Kővágó, Zoltán <DirtY.iCE.hu@gmail.com>
> ---
>  qapi/audio.json | 6 ++++++
>  audio/paaudio.c | 4 ++--
>  2 files changed, 8 insertions(+), 2 deletions(-)
> 
> diff --git a/qapi/audio.json b/qapi/audio.json
> index 9fefdf5186..a433b3c9d7 100644
> --- a/qapi/audio.json
> +++ b/qapi/audio.json
> @@ -206,6 +206,11 @@
>  #
>  # @name: name of the sink/source to use
>  #
> +# @stream-name: name of the PulseAudio stream created by qemu.  Can be
> +#               used to identify the stream in PulseAudio when you
> +#               create multiple PulseAudio devices or run multiple qemu
> +#               instances (default "qemu", since 4.2)
> +#
>  # @latency: latency you want PulseAudio to achieve in microseconds
>  #           (default 15000)
>  #
> @@ -215,6 +220,7 @@
>    'base': 'AudiodevPerDirectionOptions',
>    'data': {
>      '*name': 'str',
> +    '*stream-name': 'str',
>      '*latency': 'uint32' } }
>  
>  ##
> diff --git a/audio/paaudio.c b/audio/paaudio.c
> index 777b8e4718..827f442b6e 100644
> --- a/audio/paaudio.c
> +++ b/audio/paaudio.c
> @@ -562,7 +562,7 @@ static int qpa_init_out(HWVoiceOut *hw, struct audsettings *as,
>  
>      pa->stream = qpa_simple_new (
>          c,
> -        "qemu",
> +        ppdo->has_stream_name ? ppdo->stream_name : "qemu",
>          PA_STREAM_PLAYBACK,
>          ppdo->has_name ? ppdo->name : NULL,
>          &ss,
> @@ -630,7 +630,7 @@ static int qpa_init_in(HWVoiceIn *hw, struct audsettings *as, void *drv_opaque)
>  
>      pa->stream = qpa_simple_new (
>          c,
> -        "qemu",
> +        ppdo->has_stream_name ? ppdo->stream_name : "qemu",
>          PA_STREAM_RECORD,
>          ppdo->has_name ? ppdo->name : NULL,
>          &ss,

Tested and works.
Code also seems to be OK.

Reviewed-by: Maxim Levitsky <mlevitsk@redhat.com>

Best regards,
	Maxim Levitsky